CN105018770A - Method for preparing porous metal material and application thereof - Google Patents
Method for preparing porous metal material and application thereof Download PDFInfo
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- CN105018770A CN105018770A CN201410181273.0A CN201410181273A CN105018770A CN 105018770 A CN105018770 A CN 105018770A CN 201410181273 A CN201410181273 A CN 201410181273A CN 105018770 A CN105018770 A CN 105018770A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1143—Making porous workpieces or articles involving an oxidation, reduction or reaction step
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/02—Alloys based on zinc with copper as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C22/00—Alloys based on manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/20—Use of vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
- C22C1/088—Foaming process with solid metal other than by powder metallurgy
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention aims to provide a method for preparing a porous metal material with a three-dimensional through hole structure and application thereof. The method is characterized in that in the vacuum environment, one or more than one volatile alloy element in an alloy is volatized, and finally a porous pure metal or a porous alloy is formed. The method is simple, the preparation cost is low, the metal porosity can be adjusted, and the porous metal material can be widely applied to the fields of aerospace, atomic energy, electrochemistry, petrochemical engineering, metallurgy, machinery, medicine, environmental protection or construction.
Description
Technical field
The invention belongs to metal material processing preparation field, relate to a kind of preparation method and application of novel porous metallic substance.
Background technology
The notable feature of porous metal is that its inside has a large amount of holes, these internal voids make porous metal material have the characteristic of many excellences, as little in proportion, specific surface is large, energy absorption good, heat exchange heat-sinking capability high, sound absorption properties good, perviousness is excellent, electromagnetic wave absorbability is good etc.Low and the non-refractory of the porous organic polymer strength of materials, porous ceramics is the crisp and not anti-thermal shock of matter then, therefore porous metal material is widely used in aerospace, nuclear power, electrochemistry, petrochemical complex, metallurgical, machinery, medicine, environmental protection, the separation of the industries such as building, filter, catalysis, electrochemical process, noise reduction, shock-absorbing, shielding, in the technological processs such as heat exchange, make strainer, catalyzer and support of the catalyst, porous electrode, energy absorber, sound damper, shock absorbing buffer, electromagnetic shielding device, electromagnetic compatibility device, interchanger and flame-retardant device etc.
The preparation method of metal current porous material has foam melt method, solids-gases eutectic solidification method, shaft seal for powder, fusion casting, spraying foaming, metal-powder or fiber sintering method, sponge dipping and sintering method, electrodip process, vapour deposition process etc.De-alloyage also became a kind of method preparing nano-porous materials in recent years, mainly through selective corrosion, can prepare nanoporous platinum, nano porous palladium, nanoporous titanium and nano porous copper etc.But this method belongs to dealloying corrosion, be all generally carry out on metallic substance top layer for the preparation of porous metal material, be difficult to prepare massive material.
Summary of the invention
The object of the present invention is to provide a kind of preparation technology and the application thereof of preparing the porous metal material with three-dimensional through hole structure.
The present invention specifically provides a kind of preparation method of porous metal material, it is characterized in that: in vacuum environment, makes one or more volatile alloy element evaporations in alloy, final formation porous pure metal or porous alloy.
Ultimate principle of the present invention utilizes one or more volatile alloy elements (pore-creating element) in alloy in the relatively high vapour pressure (under at least same treatment temp more than high three orders of magnitude) of specific temperature range, it is made to volatilize gradually by lasting high vacuum, final formation porous pure metal or alloy.Therefore, the starting material adopted must be alloys, and wherein have a kind of pore-creating element at least, pore-creating element has relatively high vapour pressure relative to matrix element in alloy, and pore-creating element can form uniform alloy or sosoloid with matrix elements, in alloy, the content of pore-creating element needs to control at 20at.%-80at.%, to form different porositys, finally to make pore-creating element volatilize under the condition lower than alloy melting point temperature and lasting high vacuum.
The preparation method of porous metal material of the present invention, it is characterized in that, in order to save energy and raising the efficiency, the thickness of alloy used preferably controls between 0.005-1000mm, by alloy 200 DEG C-1200 DEG C, vacuum tightness is incubated more than 0.1 hour according to alloy thickness under being less than 10Pa condition, and volatile alloy element is volatilized gradually.
The preparation method of porous metal material of the present invention, is characterized in that, preparation process is: adopt commercial alloys or from alloyage, require in this alloy at least containing one or more volatile alloy elements; According to the fusing point of different-alloy and the vapour pressure feature of different volatile alloy element, by alloy lower than at alloy melting point temperature, by lasting high vacuum, volatile alloy element is deviate from from alloy, vacuum tightness suggestion remains on below 10Pa, final formation porous pure metal or porous alloy; Wherein, described volatile alloy element requires its vapour pressure higher than the vapour pressure of matrix element in alloy (under same treatment temp more than at least high three orders of magnitude), and can form uniform alloy or sosoloid with matrix elements.
Pore-creating element must be selected according to the feature of prepared porous metal, the such as fusing point such as ferrous alloy or nickel-base alloy all can select manganese element as pore-creating element higher than the alloy of 1200 DEG C, and copper alloy can select the alloying elements such as zinc, strontium, cadmium as pore-creating element.
The virgin alloy material preparing porous metal material can adopt the method preparations such as smelting, powder metallurgy, need alloy surface polishing descaling before using, also can be plated by surface ion, the surface treatment method such as spraying prepares above-described alloy layer at common alloy surface, be obtained the gradient material of porous surface by this technique.The powdered alloy that treatment process of the present invention also can be adopted granularity to be greater than more than 10 microns is prepared into porous alloy powder or spheroid.
Adopt porous metal material prepared by the method for the invention, its pore size distribution is 0.01-100 micron.
The method of the invention can be applicable in aerospace, nuclear power, electrochemistry, petrochemical complex, metallurgy, machinery, medicine, the separation of environmental protection or building field, filtration, catalysis, electrochemical process, noise reduction, shock-absorbing, shielding, heat exchange process process, for making strainer, catalyzer and support of the catalyst, porous electrode, energy absorber, sound damper, shock absorbing buffer, electromagnetic shielding device, electromagnetic compatibility device, interchanger and flame-retardant device etc.
The invention has the advantages that:
(1), vacuum heat treatment process is ripe, can carry out large-scale production, not only can prepare blocks of large, is also particularly useful for making super thin metal paillon foil and 10mm with lower sphere.
(2), the three-dimensional porous pure metal that adopts this technique to prepare or alloy have through-hole structure, and porosity can regulate according to alloy ratio.
(3) this technique, is adopted also can to prepare gradient material or the porous powder material of porous surface.
(4), the porous pure metal prepared of the present invention or alloy, may be used for the fields such as battery current collector, separation, filtration, catalysis, noise reduction, shock-absorbing, shielding, heat exchange.
Accompanying drawing explanation
The three-dimensional porous fine copper picture (2 μm) that Fig. 1 embodiment 1 obtains.
The three-dimensional porous copper alloy picture (2 μm) that Fig. 2 embodiment 3 obtains.
The three-dimensional porous nickelalloy picture (5 μm) that Fig. 3 embodiment 4 obtains.
The three-dimensional porous Stainless Steel Alloy picture (10 μm) that Fig. 4 embodiment 5 obtains.
The three-dimensional porous silicon alloy picture (5 μm) that Fig. 5 embodiment 6 obtains.
Embodiment
Following examples will be further described the present invention, but not thereby limiting the invention.
If no special instructions, in the present embodiment, all percentage ratio all represents atomic percent.
Embodiment 1
Adopt commercially available 62 brass, be prepared into 20 × 20 × 1mm small pieces, be suspended in laboratory room small-sized vacuum heat treatment furnace, continue high vacuum 3 hours 600 DEG C of insulations, vacuum degree control, within 10Pa, obtains three-dimensional porous fine copper (Fig. 1), aperture is 1-3 micron, and porosity is about 20%.
Embodiment 2:
Adopt commercially available 62 brass, be prepared into 20 × 20 × 1mm small pieces, be suspended in laboratory room small-sized vacuum heat treatment furnace, high vacuum 2 hours are continued 800 DEG C of insulations, vacuum degree control is within 10Pa, there is no porous fine copper, find through energy spectrum analysis, although zinc in brass is taken off completely, but sample surfaces only has seldom measures aperture, analyzing reason is that treatment temp is too high, and the aperture that copper alloy surface is formed merges gradually through diffusion, and therefore preparing porous metal must select suitable treatment temp according to different alloys.
Embodiment 3
Adopt homemade 40 silicon brass (containing zinc 60%, siliceous 3%), adopt plumbago crucible in heat treatment furnace, melt the fine copper prepared, pure zinc and pure silicon, be forged into block after casting, then Linear cut becomes 10 × 15 × 1mm thin slice, and coated abrasive working is thick to 0.8mm, be suspended in laboratory room small-sized vacuum heat treatment furnace, 500 DEG C of insulations 1 hour, vacuum degree control, within 10Pa, obtained three-dimensional porous cupro silicon (Fig. 2), aperture is 1-8 micron, and porosity is about 40%.
Embodiment 4
Adopt self-control Magno (70% Fe content), the pure nickel adopting vacuum induction melting to prepare and pure manganese, after casting, direct reaching the standard grade from ingot casting cuts into 10 × 15 × 1mm thin slice, coated abrasive working was thick to 0.8mm, is suspended in laboratory room small-sized vacuum heat treatment furnace, 900 DEG C of insulations 1 hour, vacuum degree control is within 10Pa, obtain three-dimensional porous pure nickel (Fig. 3), aperture is 2-10 micron, and porosity is about 40%.
Embodiment 5
Adopt high manganese 316 stainless steel (50% Fe content) of self-control, 316 stainless steels adopting vacuum induction melting to prepare and pure manganese, after casting, direct reaching the standard grade from ingot casting cuts into 10 × 15 × 1mm thin slice, coated abrasive working was thick to 0.8mm, is suspended in laboratory room small-sized vacuum heat treatment furnace, 1000 DEG C of insulations 1 hour, vacuum degree control is within 5Pa, obtain three-dimensional porous stainless steel (Fig. 4), aperture is 2-15 micron, and porosity is about 50%.
Embodiment 6
Adopt self-control silicomanganese (Fe content 60%), the pure silicon adopting vacuum induction melting to prepare and pure manganese, casting is direct is afterwards prepared into 10 × 5 × 1mm small pieces from Linear cut ingot casting, be suspended in laboratory room small-sized vacuum heat treatment furnace, continue high vacuum 2 hours 900 DEG C of insulations, vacuum degree control, within 10Pa, obtains three-dimensional porous silicon (Fig. 5), aperture is 2-10 micron, and porosity is about 15%.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a preparation method for porous metal material, is characterized in that: in vacuum environment, makes one or more volatile alloy element evaporations in alloy, final formation porous pure metal or porous alloy.
2. according to the preparation method of porous metal material described in claim 1, it is characterized in that: volatile alloy element in alloy is volatilized under the condition lower than alloy melting point temperature and lasting high vacuum.
3. according to the preparation method of porous metal material described in claim 1, it is characterized in that, preparation process is: adopt commercial alloys or from alloyage, require in this alloy at least containing one or more volatile alloy elements; By alloy lower than at alloy melting point temperature, by lasting high vacuum, vacuum tightness is less than 10Pa, and volatile alloy element is volatilized gradually, finally forms porous pure metal or porous alloy;
Wherein, described volatile alloy element require its vapour pressure under same treatment temp than alloy in matrix element high three orders of magnitude of vapour pressure more than, and uniform alloy or sosoloid can be formed with matrix elements.
4. according to the preparation method of the arbitrary described porous metal material of claims 1 to 3, it is characterized in that: the atomic percent that described volatile alloy element accounts for alloy controls between 20%-80%.
5. according to the preparation method of the arbitrary described porous metal material of claims 1 to 3, it is characterized in that: the gauge control of alloy used is at 0.005-1000mm, by alloy 200 DEG C-1200 DEG C, vacuum tightness is incubated more than 0.1 hour according to alloy thickness under being less than 10Pa condition, and volatile alloy element is volatilized gradually.
6. according to the preparation method of porous metal material described in claim 1 or 3, it is characterized in that: described alloy is fusing point higher than the ferrous alloy of 1200 DEG C or nickel-base alloy, selects manganese element as volatile alloy element.
7. according to the preparation method of porous metal material described in claim 1 or 3, it is characterized in that: described alloy is copper alloy, the one of selection zinc, strontium, cadmium or multiple element are as volatile alloy element.
8. according to the preparation method of porous metal material described in claim 1 or 3, it is characterized in that: described alloy adopts to be smelted or powder metallurgy process preparation, needs alloy surface polishing descaling before using.
9. according to a porous metal material prepared by the preparation method of porous metal material described in claim 1, it is characterized in that: the pore size distribution of described porous metal material is 0.01-100 micron.
10. according to the preparation method's of porous metal material described in claim 1 application, it is characterized in that: the method can be applicable to aerospace, nuclear power, electrochemistry, petrochemical complex, metallurgy, machinery, medicine, environmental protection or building field.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181273.0A CN105018770B (en) | 2014-04-30 | 2014-04-30 | A kind of preparation method and applications of porous metal material |
| US15/307,768 US20170043399A1 (en) | 2014-04-30 | 2014-10-08 | Method for Preparing Porous Metal Material and Application Thereof |
| PCT/CN2014/000890 WO2015164994A1 (en) | 2014-04-30 | 2014-10-08 | Method for preparing porous metal material and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410181273.0A CN105018770B (en) | 2014-04-30 | 2014-04-30 | A kind of preparation method and applications of porous metal material |
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| Publication Number | Publication Date |
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| CN105018770A true CN105018770A (en) | 2015-11-04 |
| CN105018770B CN105018770B (en) | 2019-02-12 |
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Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20170043399A1 (en) |
| CN (1) | CN105018770B (en) |
| WO (1) | WO2015164994A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637214A (en) * | 2016-12-29 | 2017-05-10 | 天津理工大学 | Method for improving intrinsic melting point by using negative curvature of surface |
| CN106823564A (en) * | 2017-02-13 | 2017-06-13 | 安徽新态环保科技有限公司 | A kind of exhaust gas from diesel vehicle treatment preparation method of porous cordierite ceramicses filtering bodies |
| CN107742715A (en) * | 2017-10-25 | 2018-02-27 | 山东大学 | A kind of preparation method of lithium cell cathode material nano-structure porous silicon |
| CN108866371A (en) * | 2018-07-25 | 2018-11-23 | 山东大学 | A kind of preparation method of porous aluminum |
| CN109273719A (en) * | 2018-09-25 | 2019-01-25 | 山东大学 | A kind of preparation method of graphene coated porous material |
| CN109338150A (en) * | 2018-11-08 | 2019-02-15 | 沈阳理工大学 | A kind of porous copper alloy and preparation method thereof |
| CN109355516A (en) * | 2018-11-08 | 2019-02-19 | 沈阳理工大学 | A kind of porous nickel alloy and preparation method thereof |
| CN109373795A (en) * | 2018-11-14 | 2019-02-22 | 上海大学 | There is the method for the high heat transfer rate heat transfer pipe of porous structure liner using the preparation of high temperature elements vaporization technique |
| CN109908408A (en) * | 2019-03-18 | 2019-06-21 | 何煜冰 | A kind of preparation method and application of the pure Zinc material of human body degradable biological |
| CN111154997A (en) * | 2020-01-13 | 2020-05-15 | 中国工程物理研究院材料研究所 | Copper-iron alloy, copper-iron alloy micro-nano composite porous material and preparation method thereof |
| CN111204767A (en) * | 2020-03-13 | 2020-05-29 | 山东大学 | Preparation method and application of two-dimensional silicon |
| CN111235422A (en) * | 2020-02-27 | 2020-06-05 | 山东大学 | Preparation method and application of porous platinum |
| CN112553495A (en) * | 2019-09-25 | 2021-03-26 | 中国科学院金属研究所 | Preparation method of copper-chromium bicontinuous phase material and copper-chromium bicontinuous phase material |
| CN116516268A (en) * | 2023-04-14 | 2023-08-01 | 常熟市普华电工材料有限公司 | Alloy copper wire annealing process |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636717A (en) * | 2016-12-29 | 2017-05-10 | 天津理工大学 | Method for purifying nano-porous metal by evaporation differences |
| US11469358B1 (en) * | 2019-02-19 | 2022-10-11 | Meta Platforms Technologies, Llc | Formation of nanoporous copper interconnect for electrical connection |
| CN112941382A (en) * | 2019-12-10 | 2021-06-11 | 李宏博 | Method for producing silicon-manganese alloy by using low-carbon ferromanganese |
| CN111293296A (en) * | 2020-02-25 | 2020-06-16 | 山东大学 | Self-supporting porous silicon alloy and preparation method and application thereof |
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- 2014-10-08 WO PCT/CN2014/000890 patent/WO2015164994A1/en active Application Filing
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637214B (en) * | 2016-12-29 | 2019-04-16 | 天津理工大学 | A method of the intrinsic fusing point of substance is promoted with surface negative cruvature |
| CN106637214A (en) * | 2016-12-29 | 2017-05-10 | 天津理工大学 | Method for improving intrinsic melting point by using negative curvature of surface |
| CN106823564A (en) * | 2017-02-13 | 2017-06-13 | 安徽新态环保科技有限公司 | A kind of exhaust gas from diesel vehicle treatment preparation method of porous cordierite ceramicses filtering bodies |
| CN107742715A (en) * | 2017-10-25 | 2018-02-27 | 山东大学 | A kind of preparation method of lithium cell cathode material nano-structure porous silicon |
| CN107742715B (en) * | 2017-10-25 | 2021-02-26 | 山东大学 | Preparation method of lithium battery negative electrode material nano porous silicon |
| CN108866371B (en) * | 2018-07-25 | 2019-12-03 | 山东大学 | A kind of preparation method of porous aluminum |
| CN108866371A (en) * | 2018-07-25 | 2018-11-23 | 山东大学 | A kind of preparation method of porous aluminum |
| CN109273719A (en) * | 2018-09-25 | 2019-01-25 | 山东大学 | A kind of preparation method of graphene coated porous material |
| CN109355516B (en) * | 2018-11-08 | 2020-06-30 | 沈阳理工大学 | Porous nickel alloy and preparation method thereof |
| CN109338150A (en) * | 2018-11-08 | 2019-02-15 | 沈阳理工大学 | A kind of porous copper alloy and preparation method thereof |
| CN109355516A (en) * | 2018-11-08 | 2019-02-19 | 沈阳理工大学 | A kind of porous nickel alloy and preparation method thereof |
| CN109373795A (en) * | 2018-11-14 | 2019-02-22 | 上海大学 | There is the method for the high heat transfer rate heat transfer pipe of porous structure liner using the preparation of high temperature elements vaporization technique |
| CN109908408A (en) * | 2019-03-18 | 2019-06-21 | 何煜冰 | A kind of preparation method and application of the pure Zinc material of human body degradable biological |
| CN112553495A (en) * | 2019-09-25 | 2021-03-26 | 中国科学院金属研究所 | Preparation method of copper-chromium bicontinuous phase material and copper-chromium bicontinuous phase material |
| CN112553495B (en) * | 2019-09-25 | 2022-03-29 | 中国科学院金属研究所 | Preparation method of copper-chromium bicontinuous phase material and copper-chromium bicontinuous phase material |
| CN111154997A (en) * | 2020-01-13 | 2020-05-15 | 中国工程物理研究院材料研究所 | Copper-iron alloy, copper-iron alloy micro-nano composite porous material and preparation method thereof |
| CN111235422A (en) * | 2020-02-27 | 2020-06-05 | 山东大学 | Preparation method and application of porous platinum |
| CN111235422B (en) * | 2020-02-27 | 2022-01-14 | 山东大学 | Preparation method and application of porous platinum |
| CN111204767A (en) * | 2020-03-13 | 2020-05-29 | 山东大学 | Preparation method and application of two-dimensional silicon |
| CN116516268A (en) * | 2023-04-14 | 2023-08-01 | 常熟市普华电工材料有限公司 | Alloy copper wire annealing process |
Also Published As
| Publication number | Publication date |
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| WO2015164994A1 (en) | 2015-11-05 |
| US20170043399A1 (en) | 2017-02-16 |
| CN105018770B (en) | 2019-02-12 |
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